Chem R110 - Elementary Chemistry » Spring 2021 » Quiz 4

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
Which of the following statements about the nature of electrical charge is FALSE?
A.   Positive and negative charges cancel each other so that a proton and electron, when paired, are charge neutral.
B.   All of these statements are true.
C.   Positive-positive or negative-negative charges repel each other.
D.   Positive and negative electrical charges attract each other.
E.   Electrical charge is a fundamental property of protons and electrons.
Question #2
What is the relative electrical charge of a proton?
A.   -1
B.   -2
C.   + 1
D.   0
Question #3
Which subatomic particle is not found in the nucleus of the atom?
A.   neutron
B.   proton
C.   electron
Question #4
The element with atomic number 27 is ___.
A.   carbon
B.   cobalt
C.   calcium
D.   copper
Question #5
An isotope has 13 protons, 14 neutrons, and 13 electrons. Which of the following is the isotope?
A.   Al-40
B.   Al-27
C.   Al-13
D.   Al-14
Question #6
Ions can be formed from atoms by losing or gaining electrons. Select the alternative that states the correct number of protons, neutrons, and electrons in .
A.   17 protons, 18 neutrons, 18 electrons
B.   18 protons, 17 neutrons, 19 electrons
C.   17 protons, 36 neutrons, 17 electrons
D.   17 protons, 18 neutrons, 16 electrons

Need help with your exam preparation?

Existing Quiz Clients Login here